n-gon
- There's another NGON; did you perhaps mean that one?
n-gon (stylized in all lowercase) is a 2018 American browser 2D roguelike physics-based platformer game made by Ross Landgreen. Described as a "2d roguelike sidescroller", its main focus is using realistic/theoretical weapons, abilities, and technology to upgrade the playable character m, and fight dangerous mobs, as you travel through multiple maps. n-gon has been described as "the Yotsuba of browser games" and was nominated for the title of 2025 n-community favorite game.
n-gon was created primarily with JavaScript using the matter.js 2D physics library, as well with HTML and CSS. The code is free and open-source and can be found on GitHub. Community maps and mods are a major part of the game.
The game features multiple Difficulties, Training Mode, Experiment/Testing Mode, and different Types of Runs. The game also features lore, and there is a story with a few chapters.
Gameplay
Described as a "2d roguelike sidescroller", its main focus is using realistic/theoretical weapons, abilities, and technology to upgrade the playable character m, and fight dangerous mobs, as you travel through multiple maps.
Game Modes
...
Game Aspects
guns
guns...
fields
fields...
tech
tech...
Community Content
The n-gon community has a made multiple modifications to the game, as the code is free and open-source on GitHub.
Mods
- See also: Mods
Mods (short for modifications) are community-made versions of n-gon. They often include new guns, fields, and tech. They are a major part of the n-gon fanbase.
Community maps
- See also: Community maps
Community Maps are maps that were not created by Landgreen but instead made by, as the name indicates, the community.
Release
- See also: History and Change-log
Early games
From 2014 to 2016, Landgreen first worked on the games "Mech", "spacetime", "ballistics", and "portal", which are now seen as the predecessors to n-gon. In 2016 and 2017, there were the games "sidescroller" and "LandGame".
Official release
The first official version of n-gon came out in 2018.